216188806048177 has 16 divisors (see below), whose sum is σ = 225878766317568. Its totient is φ = 206669215855440.

The previous prime is 216188806048157. The next prime is 216188806048181. The reversal of 216188806048177 is 771840608881612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216188806048177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216188806048147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16112668 + ... + 26305810.

It is an arithmetic number, because the mean of its divisors is an integer number (14117422894848).

Almost surely, 2^{216188806048177} is an apocalyptic number.

It is an amenable number.

216188806048177 is a deficient number, since it is larger than the sum of its proper divisors (9689960269391).

216188806048177 is a wasteful number, since it uses less digits than its factorization.

216188806048177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201500.

The product of its (nonzero) digits is 57802752, while the sum is 67.

The spelling of 216188806048177 in words is "two hundred sixteen trillion, one hundred eighty-eight billion, eight hundred six million, forty-eight thousand, one hundred seventy-seven".